MOBILE-3262 tabs: Ensure tabbar is shown on top scroll
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				@ -420,14 +420,18 @@ export class CoreTabsComponent implements OnInit, AfterViewInit, OnChanges, OnDe
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        }
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        const scroll = parseInt(scrollElement.scrollTop, 10);
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        if (scroll == this.lastScroll) {
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            if (scroll == 0) {
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                // Ensure tabbar is shown.
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                this.topTabsElement.style.transform = '';
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                this.originalTabsContainer.style.transform = '';
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                this.originalTabsContainer.style.paddingBottom = this.tabBarHeight + 'px';
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            }
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        if (scroll == 0) {
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            // Ensure tabbar is shown.
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            this.topTabsElement.style.transform = '';
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            this.originalTabsContainer.style.transform = '';
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            this.originalTabsContainer.style.paddingBottom = this.tabBarHeight + 'px';
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            this.tabBarElement.classList.remove('tabs-hidden');
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            this.tabsShown = true;
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            return;
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        }
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        if (scroll == this.lastScroll) {
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            // Ensure scroll has been modified to avoid flicks.
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            return;
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        }
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